LLO CDS Components Timing Master Timing Distribution Cables

LLO CDS Components Timing Master Timing Distribution Cables Front End Racks Front End Computer LVEA Racks (LVEA) Timing Fanout 1 8 V D C 2 4 V D C Front End Computer Field Satellite Racks Y-End Racks (Y-End) Racks and Rooms (RAR) Subsystem Electronics Racks Field I/O Cables DC Extension Cords Chassis Chassis X-End Racks (X-End) Chassis I/O Extension Mass Storage Room (MSR) A C DC Extension Cables Computer Users Room (CUR) V o l t a g e DC Power Racks DC Power CDS Electronics Room (CER) Laser Diode Room (LDR) CDS Power Room (CPR) DC Power Electronics Test Racks (ETR) LIGO-G 1001031 -V 5 Field Chassis Fiber Optic Cables Operator Control Room (OCR) Chassis DC Power 1

CDS Electronics Room (CER) Rack Layout 2 f e e t L 1 -SUS-C 4 SUS ITMX, ITMY, FMX, FMY, and BS Rack 1 L 1 -SUS-C 5 SUS HAM 2 Rack 1 L 1 -SUS-C 3 SUS ITMX, ITMY, FMX, FMY, and BS Rack 2 SUS HAM 3 and HAM 4 Rack 2 L 1 -SUS-C 2 SUS HAM 3 and HAM 4 Rack 1 L 1 -SUS-C 1 ISC LVEA Rack 4 L 1 -SEI-C 5 L 1 -SEI-C 6 SEI BSC 1 SEI BSC 2 SEI BSC 3 L 1 -SEI-C 2 SEI HAM 4 and HAM 5 Front ISC LVEA Rack 1 L 1 -ISC-C 1 L 1 -SUS-C 6 L 1 -UNK-C 3 ISC LVEA Rack 2 L 1 -ISC-C 2 SUS HAM 5 and HAM 6 Rack 1 L 1 -SUS-C 7 L 1 -UNK-C 2 SUS HAM 5 and HAM 6 Rack 2 L 1 -SUS-C 8 L 1 -UNK-C 1 Front L 1 -ISC-C 4 Front SUS HAM 2 Rack 2 SEI HAM 2 and HAM 3 SEI HAM 1 and HAM 6 TCS Rack 1 Front Each Rack is 39” Deep and 24” Wide L 1 -SEI-C 1 L 1 -TCS-C 1 L 1 -UNK-C 5 L 1 -OAF-C 1 DAQ Rack 1 PSL Rack 1 L 1 -PSL-C 1 CDS Electronics Room (CER) ISC LVEA Rack 3 L 1 -ISC-C 3 2 feet LIGO-G 1001031 -V 5 2

Laser Diode Room (LDR) Rack Layout 2 f e e t CDS Power Room (CPR) Transformer 2 f e e t L 1 -LDR-C 2 L 1 -VDC-C 5 L 1 -VDC-C 4 L 1 -VDC-C 3 L 1 -VDC-C 2 L 1 -LDR-C 1 L 1 -VDC-C 1 Laser Diode Room (LDR) Front L 1 -VDC-C 6 Changing Room DC Supplies LDR Chiller L 1 -VDC-C 7 208 V Distribution Panel – CDS 2 Panel – CDS 1 Front Each Rack is 39” Deep and 24” Wide 2 feet 480 V Distribution Panel LIGO-G 1001031 -V 5 208 V Distribution Panel 3

CDS Power Room (CPR) Rack Layout 2 f e e t CDS Power Room (CPR) Transformer 2 f e e t L 1 -LDR-C 2 L 1 -VDC-C 5 L 1 -VDC-C 4 L 1 -VDC-C 3 L 1 -VDC-C 2 L 1 -LDR-C 1 L 1 -VDC-C 1 Laser Diode Room (LDR) Front L 1 -VDC-C 6 Changing Room DC Supplies LDR Chiller L 1 -VDC-C 7 208 V Distribution Panel – CDS 2 Panel – CDS 1 Front Each Rack is 39” Deep and 24” Wide 2 feet 480 V Distribution Panel LIGO-G 1001031 -V 5 208 V Distribution Panel 4

CDS Electronics Room X-End (CERX) Rack Layout (L 1 -SEI-XC 1) (L 1 -VDC-XC 1) (L 1 -SUS-XC 2) (L 1 -VDC-XC 2) (L 1 -TCS-XC 1) (L 1 -DAQ-XC 1) CERX (L 1 -FAC-XC 1) LIGO-G 1001031 -V 5 5

(L 1 -VDC-YC 2) (L 1 -SEI-YC 1) (L 1 -SUS-YC 2) (L 1 -TCS-YC 1) (L 1 -FAC-YC 1) (L 1 -DAQ-YC 1) CDS Electronics Room Y-End (CERY) Rack Layout (L 1 -VDC-YC 1) CERY LIGO-G 1001031 -V 5 6